So this happened. This past Saturday night in Indianapolis, in an airplane hangar somewhere, Peyton Manning offered up this chilling rendition of "Folsom Prison Blues" with Luke Bryan. Clearly, Manning is an upgrade from Tebow in more ways than one. Want more? You got it. The Broncos' QB also karaoked up "Luckenbach, Texas," by Waylon Jennings. Continue on to see for yourself.